DTMF Decoder

Description

Turns your iPhone into a simple DTMF decoder. Simply hold the iPhone's microphone near to a clear source of DTMF tones (telephone "Touch Tones") and it will display the numbers being dialed. The decoded digits are also placed into a text area from which you can copy them to the clipboard.

See it in action here:
https://www.youtube.com/watch?v=l_QD8KFCJPw

Source code freely available:
https://github.com/veghead/ios-dtmf-decoder

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Screenshots

User Rating

5 out of 5

1 ratings in United Kingdom

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1 star

Ratings History

Reviews

Genuine does work

I used this today to place against a old analog modem to see what number was being dialled. Worked 100%. Really impressed. Thought it might of been a gimmick but no, it actually did what it said on the tin.

Works just as described.

The app picks up the tones quickly and accurately. Great simple little app.

Doesn't work

Useless

Disappointing

I wanted this to decode the numbers put into my landline phone memories. It doesn't work reliably. When a number has repeated characters it misses the repetition, or just gets the decode wrong. If the autodial is too fast it gets hopelessly wrong decode results . Too many errors to use reliably.

Amazing

I love it! I'm going to use it for when people need to give me their CC# over the phone!

This works as it should, the settings allow better sensitivity! even picked numbers from speed dial tones! very good value. Ian K

What I've always wanted!

May be it's the snooper in me but I've always wanted to be able to see what numbers are dialed when listening to tv and stuff. This app is very simple but it doesn't need to be any more than it is really. It works and it works well. When the sound is too loud it sometimes misses digits but you soon get used to what levels it likes.

Store Rankings

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Category Rankings

Chart	Category	Rank
Top Paid	Germany Utilities	124
Top Paid	Taiwan Utilities	231
Top Paid	Colombia Utilities	258
Top Paid	Turkey Utilities	260
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